<!--
 * @Author: your name
 * @Date: 2022-01-24 17:10:48
 * @LastEditTime: 2022-01-24 17:17:05
 * @LastEditors: Please set LastEditors
 * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 * @FilePath: \算法测试\day0906\随机字母.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let a=parseInt(Math.random()*(91-65)+65);
        let arr=[];
        for(let i=0;i<4;i++){
            arr.push(parseInt(Math.random()*(123-97)+97));
        }
        console.log(String.fromCharCode(a,...arr));
    </script>
</body>
</html>
